Uji Beberapa Konsentrasi Piper aduncum L. Ekstrak Daun Untuk Kontrol Leptocorisa oratorius Fabricius (Hemiptera, Alydidae) Tanaman Padi (Oryza sativa L.)
Abstract: Leptocorisa
oratorius F. is a major pest of rice
plant, that can damage the rice plant by sucking the liquid from the cells of
the rice plant. For controlling this pest usually used synthetic chemical
insecticide but this can cause negative impacts such pest resistance and pest
resurgence. The use of leaf extract of Piper aduncum L. as a botanical
insecticide is suittable to control Leptocorisa oratorius. The experiment was
conducted at Laboratory of Plant Pest and Agribusiness Incubator University of Riau Pekanbaru, from February to April
2013. The experiment used a Completely Randomized Design (CRD) with 5
treatments and 4 replications. The treatmens are (Piper aduncum leaf extract
are: 0 g/l water, 25 g/l water, 50 g/l
water, 75 g/l water, and 100 g/l of water. Aplication of Piper aduncum leaf
extract at treatment 75 g/l water was able to kill Leptocorisa oratorius up to
90%. Number concentration is still in the range of LC 95 values from 7,2 to 21,9%. The exact concentration to
kill 95% of the Leptocorisa oratorius is 10,1% or equitvalent to 101 g/l of
water.
Penulis: Joko Karsidi, Rusli
Rustam, Jeltje Hennie Laoh
Kode Jurnal: jppertaniandd140697
